前言妊娠高血压综合征（妊高征）是妊娠期特有的疾病。一般发生于妊娠20周以后，临床表现为高血压、蛋白尿、浮肿，病情进一步发展时，可出现头痛、眼花、恶心、呕吐，甚至抽搐或昏迷，还可并发其他系统的病变，严重地威胁着母婴安全与健康。根据1988年我国25省（市）的流行病? Introduction Pregnancy-induced hypertension (PIH) is a disease that is specific to pregnancy. Generally occurs in 20 weeks after pregnancy, the clinical manifestations of hypertension, proteinuria, edema, the further development of the disease, headache, vertigo, nausea, vomiting, and even convulsions or coma, but also complicated by other systems of the disease, a serious threat Mother and child safety and health. According to the epidemic of 25 provinces (cities) in China in 1988?